added support for view directive "match-recursive-only"

allows for dedicated views separating resolver and authorative functions
within the same server

manifests/view.pp

@@ -7,6 +7,7 @@ define bind::view (
     $recursion                    = true,
     $recursion_match_clients      = 'any',
     $recursion_match_destinations = '',
+    $recursion_match_only         = false,
     $order                        = '10',
 ) {
     $confdir = $::bind::confdir

templates/view.erb

@@ -15,6 +15,9 @@ view "<%= @name %>" {
 	};
 <%- end -%>
 	recursion <%= @recursion ? 'yes' : 'no' %>;
+<%- if @recursion_match_only -%>
+	match-recursive-only yes;
+<%- end -%>
 <%- if @recursion -%>
 <%-   if @recursion_match_clients and @recursion_match_clients != '' -%>
 	allow-recursion {